Q: Is 140,145 a Prime Number?

A: No, 140,145 is not a prime number.

Why is 140,145 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 140145 can be evenly divided by 1 3 5 15 9,343 28,029 46,715 and 140,145, with no remainder.

Since 140,145 cannot be divided by just 1 and 140,145, it is not a prime number.

Number	140,143	140,144	140,146	140,147
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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